Privacy Policy

DaengDaeng Diary | Effective Date: March 5, 2026

DaengDaeng Diary ("the App") values your privacy and is committed to protecting your personal information. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your data.

1. Information We Collect

Information	How We Collect	Required/Optional
Email address, display name	Automatically collected via Google Sign-In	Required
Profile photo	Google account or user upload	Optional
Diary entries, mood/emotion records	User input	Optional (during use)
Diary images	User upload	Optional

The App may request access to your device's camera and photo gallery solely for the purpose of uploading profile photos and diary images.

2. How We Use Your Information

• Authentication: Verify your identity through Google Sign-In
• Service delivery: Enable diary writing, saving, and shared diary features
• Profile management: Display your name and profile photo
• Service improvement: Error tracking and app stability monitoring

3. Data Retention

We retain your personal information for as long as your account is active. Upon account deletion, your data will be promptly removed. Exceptions may apply where retention is required by applicable law.

• Account deletion request: Data deleted immediately
• Inactive accounts: Data deleted after 1 year of inactivity, with prior notice

4. Sharing Your Information

We do not sell or share your personal information with third parties, except in the following cases:

• With your explicit consent
• When required by law or legal process

5. Third-Party Service Providers

We use the following third-party services to operate the App:

Provider	Purpose
Google LLC (Firebase)	Authentication, data storage, file storage, error tracking
Sentry (Functional Software Inc.)	Error tracking and performance monitoring

6. Your Rights

You have the right to:

• Access, update, or delete your personal information
• Delete your account at any time
• Request cessation of data processing

You can exercise these rights through the App's settings menu or by contacting us at the address below.

7. Data Security

• All data transmission is encrypted via SSL/TLS
• Access control enforced through Firebase security rules
• Sensitive data (tokens, etc.) stored in encrypted on-device secure storage
• Data access managed under the principle of least privilege

8. Children's Privacy

The App does not knowingly collect personal information from children under the age of 13. If we become aware that we have collected data from a child under 13, we will delete it immediately.

9. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be communicated through the App or on this page.

10. Contact Us

• Email: qkr7287@gmail.com

If you have any questions or concerns about this Privacy Policy, please contact us using the information above.